So how is this fraud happening? Retail chains aren't saying. But the prevailing theory begins with a scam artist buying an iPad, replacing it with something of similar size and weight and then repackaging the box so it looks ready for the sales floor once again. Then the person returns the box for a refund. Other speculation has focused on unscrupulous store employees raiding storerooms to make similar swaps.

Having worked retail, this happens quite frequently. Then, when you ask them about it, of course the consumer says it wasn't them...